SUBMIT MORE COMPANIES Contact us to add a company or a whole list of them, or to add your city's companies. 

Generally SIC code 357x  http://www.osha.gov/pls/imis/sicsearch.html GENERAL RESOURCES:
Star Newspapers, Careers Page http://www.scntx.com/classifieds/employment_general/?query=

Job Aggregators: 
Create search agents to get latest jobs from all over the web. 
SimplyHired.com * Links employers to your contacts on Linkedin

Also try similar sites for different results:  Indeed.com  Vast.com 
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LinkedIn Results DFW (must be logged in)

Directory (nationwide) by City (Partial list) 

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Alcatel Network Systems 
1000 Coit Road   Plano , TX 75075

AMX Corporation3000 Research DriveRichardson, TX 75082-3546(469) 624-6500
Careers
LinkedIn

Andrew CorporationAutogram Corporation 
1500 Capital   Plano , TX 75074

Clover Technologies Group, 2901 Summit Ave Suite 100, Plano, TX 75075; by fax to 815-431-1015; or by email to careers@clovertech.com. http://clovertech.com/careers.asp
Google search http://www.google.com/search?hl=en&rlz=1C1GGLS_enUS361US361&q="jobs@clovertech.com"&aq=f&aql=&aqi=&oq= 
Creation Technologies‎1001 Klein RoadPlano, TX 75074-3750(972) 680-8394http://www.creationtech.com/careers.aspx

Flextronics International  www.flextronics.com
600 Shiloh Rd, Plano, TX 75082  (469) 229-1000https://flextronics.ats.hrsmart.com/cgi-bin/a/searchjobs_quick.cgi
Hint: Search WITHOUT the word "retail" 

Enfora

Force Electronics‎3100 Summit AvenuePlano, TX 75074-3753(972) 446-1182  http://www.heilind.com/careers.asp 

Fujitsu Network Communications‎
2801 Telecom ParkwayRichardson, TX 75082-3599(972) 690-6000https://fujitsujobs.taleo.net/careersection/10120/joblist.ftl
Lineage Power Home
Luminator Careers Li SH
MarLan Industries Li

SVTronics
3465 Technology DrivePlano, TX 75074-7433(214) 440-1234http://svtronics.com/careersTTI, Inc. Electronic Components 


Watchguard Video, Plano. 
Video systems for police cars.
Contact http://www.watchguardvideo.com/contact/
Careers http://www.watchguardvideo.com/about/availablepositions.shtml
StepBeyond Contacts: VP Sales. Dir Ops.